Valle Hermoso weather in August

In August, Valle Hermoso sees average daytime highs of 35°C and overnight lows near 25°C, with 53 mm of rain across 10.2 wet days and about 12.9 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 48% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 12 min at the start of August to 12 h 36 min by month's end. Set against the rest of the year, August is Valle Hermoso's 4th-clearest and 10th-windiest month. For the whole year in context, see Valle Hermoso's year-round climate.

Daytime high
35°
1st warmest
Overnight low
25°
12th coldest
Rainfall
53 mm
10.2 wet days
Daylight
12 h 54 min
6:08 AM – 7:03 PM
Cloud cover
47%
4th clearest
Wind
15 km/h
10th windiest
Solar energy
6.37 kWh/m²
Travel score
2.7
out of 10

Valle Hermoso is municipal seat of Valle Hermoso, State of Tamaulipas, Mexico.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical August day in Valle Hermoso reaches about 35°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 37°C. Set against its neighbours, August runs on par with July and about 2°C warmer than September.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13526
23526
33526
43526
53526
63526
73526
83526
93526
103526
113526
123526
133526
143526
153526
163526
173526
183525
193525
203525
213525
223525
233525
243425
253425
263425
273425
283425
293425
303425
313425

How August really feels in Valle Hermoso

Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
31 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Valle Hermoso weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 12°285.310.67.3
Feb24° / 14°224.711.17.7
Mar27° / 17°34611.87.2
Apr29° / 20°425.812.65.9
May32° / 23°466.913.24.5
Jun34° / 25°599.713.63.3
Jul34° / 25°638.513.43.0
Aug35° / 25°5310.212.92.7
Sep33° / 24°10614.812.23.4
Oct30° / 20°648.811.45.4
Nov26° / 16°406.610.77.3
Dec23° / 13°315.610.47.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27327
37327
47327
57129
67129
77129
87228
97129
107129
117129
127030
137030
147030
156931
166931
176832
186832
196733
206733
216733
226733
236634
246535
256436
266337
276139
286040
296040
305842
315743

Chance of precipitation in August

Any precipitation

Valle Hermoso gets around 53 mm of rain over 10.2 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 46% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
127
227
327
427
527
628
728
828
928
1028
1129
1229
1329
1430
1531
1632
1732
1833
1934
2035
2135
2236
2337
2438
2539
2641
2742
2843
2944
3045
3146

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the oppressive band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
105941
205941
305842
405842
505842
605842
715643
815643
915544
1015445
1115346
1215346
1315247
1415247
1525147
1625147
1725246
1825246
1925345
2025345
2125444
2225543
2325543
2425642
2525741
2635641
2735740
2835740
2935839
3035839
3145739

Wind in August

Winds average 15 km/h in August.

Across August, daily wind ranges from about 13 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 12 min at the start of August to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over August. Sunrise moves from 6:01 AM to 6:15 AM, and sunset from 7:14 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:017:14
213.26:017:13
313.26:027:12
413.26:027:12
513.16:037:11
613.16:037:10
713.16:047:10
813.16:047:09
913.16:057:08
1013.06:057:08
1113.06:067:07
1213.06:067:06
1313.06:077:05
1413.06:077:04
1512.96:087:03
1612.96:087:03
1712.96:097:02
1812.96:097:01
1912.86:097:00
2012.86:106:59
2112.86:106:58
2212.86:116:57
2312.76:116:56
2412.76:126:55
2512.76:126:54
2612.76:136:53
2712.76:136:52
2812.66:136:51
2912.66:146:50
3012.66:146:49
3112.66:156:48

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.37 kWh/m².

For context, solar energy here swings from a low near 3.02 kWh/m² to a high of 6.72 kWh/m² in July across the year — August's 6.37 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.4Intense
166.4Intense
176.4Intense
186.3Intense
196.3Intense
206.3Intense
216.2Intense
226.2Intense
236.1Intense
246.1Intense
256.0Intense
266.0Bright
275.9Bright
285.9Bright
295.8Bright
305.8Bright
315.7Bright
Planning a trip in August

Hazard calendar for Valle Hermoso

In seasonPeak

In August, Valle Hermoso sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Valle Hermoso sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Valle Hermoso?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.7
Sightseeing
12th-best month of the year
5.7
Beach & pool
10th-best month of the year

August is a weaker month for outdoor sightseeing in Valle Hermoso.

What to pack for Valle Hermoso in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Valle Hermoso sees daytime highs around 35°C and nights near 25°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

Sea temperature near Valle Hermoso in August

The nearest coast averages about 29°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 55 km away) is warmest in September at about 29°C and coldest in February near 19°C.

It's comfortable for a long swim from Mar 6 to Jan 9 — about 10.2 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Cool
Feb19Cool
Mar20Refreshing
Apr23Refreshing
May26Warm
Jun28Warm
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct27Warm
Nov24Warm
Dec22Refreshing

UV index in Valle Hermoso in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Valle Hermoso peaks around June 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeExtremeVery highHighJun 21UV 12Dec 23UV 5
UV index (midday)Level
Jan5High
Feb7Very high
Mar8Very high
Apr11Extreme
May9Very high
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep10Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Valle Hermoso in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Valle Hermoso is worst in July — around 34 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (November, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1934 µg/m³Nov 117 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr14Moderate
May21Moderate
Jun28Moderate
Jul34Moderate
Aug31Moderate
Sep15Moderate
Oct8Good
Nov7Good
Dec9Good
Location & terrain

Where is Valle Hermoso?

Valle Hermoso sits at 25.7°N, 97.8°W, 16 m above sea level, in Mexico. The nearest listed city is Heroica Matamoros, 38 km away.

Topography around Valle Hermoso

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Valle Hermoso.

Within 3 km, the terrain around Valle Hermoso has only modest variations in elevation — a maximum elevation change of 6 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 19 m; within 80 km, significant variations in elevation — a maximum elevation change of 293 m.

The land around Valle Hermoso is covered by artificial surfaces (41%) and cropland (38%) within 3 km, cropland (90%) within 16 km, and cropland (42%) within 80 km.

3 km
6 m
16 km
19 m
80 km
293 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Heroica Matamoros 38 km · Brownsville 41 km · Ciudad Río Bravo 44 km · Mercedes 54 km · San Benito 54 km · Weslaco 57 km · Harlingen 59 km · Donna 60 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Valle Hermoso (25.6732°, -97.8127°, elevation 16 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).